java.lang.IllegalStateException：当我运行应用程序时无法执行 android:onClick 的方法

Question

I get this error when I run the app

java.lang.IllegalStateException: Could not execute method for android:onClick

the line of logcat error 56 is:

  tinyYolo = readNetFromDarknet(tinyYoloCfg, tinyYoloWeights);

This is my code

public class MainActivity extends AppCompatActivity implements CameraBridgeViewBase.CvCameraViewListener2 {

CameraBridgeViewBase cameraBridgeViewBase;
BaseLoaderCallback baseLoaderCallback;
boolean startYolo = false;
boolean firstTimeYolo = false;
Net tinyYolo;


public void YOLO(View yolo){

    if (startYolo == false){
        startYolo = true;

        if (firstTimeYolo == false){


            firstTimeYolo = true;
            String tinyYoloCfg = getExternalCacheDir() + "/dnns/yolov3-tiny.cfg" ;
            String tinyYoloWeights = getExternalCacheDir() + "/dnns/yolov3-tiny.weights";

            tinyYolo = readNetFromDarknet(tinyYoloCfg, tinyYoloWeights);
        }
    }

    else{

        startYolo = false;
    }
}
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);


    cameraBridgeViewBase = (JavaCameraView)findViewById(R.id.CameraView);
    cameraBridgeViewBase.setVisibility(SurfaceView.VISIBLE);
    cameraBridgeViewBase.setCvCameraViewListener(this);


    //System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
    baseLoaderCallback = new BaseLoaderCallback(this) {
        @Override
        public void onManagerConnected(int status) {
            super.onManagerConnected(status);

            switch(status){

                case BaseLoaderCallback.SUCCESS:
                    cameraBridgeViewBase.enableView();
                    break;
                default:
                    super.onManagerConnected(status);
                    break;
            }
        }

    };
}

@Override
public Mat onCameraFrame(CameraBridgeViewBase.CvCameraViewFrame inputFrame) {

    Mat frame = inputFrame.rgba();

    if (startYolo == true) {

        Imgproc.cvtColor(frame, frame, Imgproc.COLOR_RGBA2RGB);



        Mat imageBlob = Dnn.blobFromImage(frame, 0.00392, new Size(416,416),new Scalar(0, 0, 0),/*swapRB*/false, /*crop*/false);


        tinyYolo.setInput(imageBlob);



        java.util.List<Mat> result = new java.util.ArrayList<Mat>(2);

        List<String> outBlobNames = new java.util.ArrayList<>();
        outBlobNames.add(0, "yolo_16");
        outBlobNames.add(1, "yolo_23");

        tinyYolo.forward(result,outBlobNames);


        float confThreshold = 0.3f;



        List<Integer> clsIds = new ArrayList<>();
        List<Float> confs = new ArrayList<>();
        List<Rect> rects = new ArrayList<>();




        for (int i = 0; i < result.size(); ++i)
        {

            Mat level = result.get(i);

            for (int j = 0; j < level.rows(); ++j)
            {
                Mat row = level.row(j);
                Mat scores = row.colRange(5, level.cols());

                Core.MinMaxLocResult mm = Core.minMaxLoc(scores);




                float confidence = (float)mm.maxVal;


                Point classIdPoint = mm.maxLoc;



                if (confidence > confThreshold)
                {
                    int centerX = (int)(row.get(0,0)[0] * frame.cols());
                    int centerY = (int)(row.get(0,1)[0] * frame.rows());
                    int width   = (int)(row.get(0,2)[0] * frame.cols());
                    int height  = (int)(row.get(0,3)[0] * frame.rows());


                    int left    = centerX - width  / 2;
                    int top     = centerY - height / 2;

                    clsIds.add((int)classIdPoint.x);
                    confs.add((float)confidence);




                    rects.add(new Rect(left, top, width, height));
                }
            }
        }
        int ArrayLength = confs.size();

        if (ArrayLength>=1) {
            // Apply non-maximum suppression procedure.
            float nmsThresh = 0.2f;

            MatOfFloat confidences = new MatOfFloat(Converters.vector_float_to_Mat(confs));


            Rect[] boxesArray = rects.toArray(new Rect[0]);

            MatOfRect boxes = new MatOfRect(boxesArray);

            MatOfInt indices = new MatOfInt();



            Dnn.NMSBoxes(boxes, confidences, confThreshold, nmsThresh, indices);


            // Draw result boxes:
            int[] ind = indices.toArray();
            for (int i = 0; i < ind.length; ++i) {

                int idx = ind[i];
                Rect box = boxesArray[idx];

                int idGuy = clsIds.get(idx);

                float conf = confs.get(idx);

                List<String> cocoNames = Arrays.asList("a person", "a bicycle", "a motorbike", "an airplane", "a bus", "a train", "a truck", "a boat", "a traffic light", "a fire hydrant", "a stop sign", "a parking meter", "a car", "a bench", "a bird", "a cat", "a dog", "a horse", "a sheep", "a cow", "an elephant", "a bear", "a zebra", "a giraffe", "a backpack", "an umbrella", "a handbag", "a tie", "a suitcase", "a frisbee", "skis", "a snowboard", "a sports ball", "a kite", "a baseball bat", "a baseball glove", "a skateboard", "a surfboard", "a tennis racket", "a bottle", "a wine glass", "a cup", "a fork", "a knife", "a spoon", "a bowl", "a banana", "an apple", "a sandwich", "an orange", "broccoli", "a carrot", "a hot dog", "a pizza", "a doughnut", "a cake", "a chair", "a sofa", "a potted plant", "a bed", "a dining table", "a toilet", "a TV monitor", "a laptop", "a computer mouse", "a remote control", "a keyboard", "a cell phone", "a microwave", "an oven", "a toaster", "a sink", "a refrigerator", "a book", "a clock", "a vase", "a pair of scissors", "a teddy bear", "a hair drier", "a toothbrush");

                int intConf = (int) (conf * 100);

                Imgproc.putText(frame,cocoNames.get(idGuy) + " " + intConf + "%",box.tl(),Core.FONT_HERSHEY_SIMPLEX, 2, new Scalar(255,255,0),2);

                Imgproc.rectangle(frame, box.tl(), box.br(), new Scalar(255, 0, 0), 2);
            }
        }
    }
    return frame;
}
@Override
public void onCameraViewStarted(int width, int height) {


    if (startYolo == true){

        String tinyYoloCfg = getExternalCacheDir() + "/dnns/yolov3-tiny.cfg" ;
        String tinyYoloWeights = getExternalCacheDir() + "/dnns/yolov3-tiny.weights";

        tinyYolo = readNetFromDarknet(tinyYoloCfg, tinyYoloWeights);
    }
}

This is the logcat error message that I see:

java.lang.IllegalStateException: Could not execute method for android:onClick at androidx.appcompat.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:390) at android.view.View.performClick(View.java:4278) at android.view.View$PerformClick.run(View.java:17429) at android.os.Handler.handleCallback(Handler.java:725) at android.os.Handler.dispatchMessage(Handler.java:92) at android.os.Looper.loop(Looper.java:137) at android.app.ActivityThread.main(ActivityThread.java:5099) at Z93F725A07423FE1C889F448B33D21F4 6Z.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:511) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:803) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:570) at dalvik.system.NativeStart.main(Native Method) Caused by: java.lang.reflect.InvocationTargetException at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:511) at androidx.appcompat.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:385) at android.vi ew.View.performClick(View.java:4278) at android.view.View$PerformClick.run(View.java:17429) at android.os.Handler.handleCallback(Handler.java:725) at android.os.Handler.dispatchMessage(Handler.java:92) at android.os.Looper.loop(Looper.java:137) at android.app.ActivityThread.main(ActivityThread.java:5099) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:511) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:803) a t com.android.internal.os.ZygoteInit.main(ZygoteInit.java:570) at dalvik.system.NativeStart.main(Native Method) Caused by: CvException [org.opencv.core.CvException: cv::Exception: OpenCV(3.4.5) /build/3_4_pack-android/opencv/modules/dnn/src/darknet/darknet_importer.cpp:207: error: (-212:Parsing error) Failed to parse NetParameter file: null/dnns/yolov3-tiny.cfg in function 'cv::dnn::experimental_dnn_34_v11::Net cv::dnn::experimental_dnn_34_v11::readNetFromDarknet(const cv::String&, const cv::String&)' ] at org.opencv.dnn.Dnn.readNetFromDarknet_0(Native Method) at org.opencv.dnn.Dnn.readNetFromDarknet(Dnn.java:322) at com.example.project_1.MainActivity.YOLO(MainActivity.java:56)... 14 more

Answer 1

looks like your yolov3-tiny.cfg file is smehow malformed. in your exception you can find Caused by: CvException [org.opencv.core.CvException: cv::Exception: OpenCV(3.4.5) /build/3_4_pack-android/opencv/modules/dnn/src/darknet/darknet_importer.cpp:207: error: (-212:Parsing error) Failed to parse NetParameter file: null/dnns/yolov3-tiny.cfg